From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E6DACA9EAE for ; Tue, 29 Oct 2019 12:25:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6490721734 for ; Tue, 29 Oct 2019 12:25:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572351922; bh=O/zmY64p7PF3/H1qCr3wbMmT23SXn4lVbWgFe+Use7M=; h=From:To:Cc:Subject:In-Reply-To:References:Date:List-ID:From; b=NI9L8w5NBmf1hk2adZV95aRVHeX7ksXPW0ajFdU82oBaWnRlBdpljTAw3xSS+jbwX BiCpFWG3YFiNZ6+IQnS1z4rnkLIwEe7Zbq4WO5LNo13jnnLKjIw9cRK9dnIGi6aICT ANdiHX1GEGEUyfhJ6ajCn7qCCX6QmiFjZo0BHrY4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387806AbfJ2MZV (ORCPT ); Tue, 29 Oct 2019 08:25:21 -0400 Received: from mga18.intel.com ([134.134.136.126]:31965 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728465AbfJ2MZV (ORCPT ); Tue, 29 Oct 2019 08:25:21 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Oct 2019 05:25:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,243,1569308400"; d="asc'?scan'208";a="224954166" Received: from pipin.fi.intel.com (HELO pipin) ([10.237.72.175]) by fmsmga004.fm.intel.com with ESMTP; 29 Oct 2019 05:25:18 -0700 From: Felipe Balbi To: Roger Quadros , "linux-usb\@vger.kernel.org" Cc: "Bin Liu \[EP\]" Subject: Re: g_audio breaks with dwc3 In-Reply-To: References: Date: Tue, 29 Oct 2019 14:25:14 +0200 Message-ID: <87r22vhh79.fsf@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hi, Roger Quadros writes: > I'm on v5.4-rc5 on TI's dra7 platform > > root@dra7xx-evm:~# modprobe g_audio > [ 79.951077] g_audio gadget: Linux USB Audio Gadget, version: Feb 2, 20= 12 > [ 79.957849] g_audio gadget: g_audio ready > > Now I plug the EVM's USB to PC host. > > root@dra7xx-evm:~# [ 85.359410] g_audio gadget: high-speed config #1: L= inux USB Audio Gadget > [ 85.450574] 8<--- cut here --- > [ 85.453645] Unable to handle kernel paging request at virtual address = ecb769dc > [ 85.460900] pgd =3D 08bb55ef > [ 85.463618] [ecb769dc] *pgd=3Daca1141e(bad) > [ 85.467651] Internal error: Oops: 8000000d [#1] SMP ARM > [ 85.472897] Modules linked in: usb_f_uac2 u_audio g_audio libcomposite= xhci_plat_hcd xhci_hcd usbcore dwc3 evdev udc_core usb_common spi_nor snd_= soc_simple_card snd_soc_simple_card_utils leds_gpio led_class 4 > [ 85.523128] CPU: 0 PID: 1240 Comm: irq/170-dwc3 Not tainted 5.4.0-rc5 = #50 > [ 85.529945] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 85.536066] PC is at 0xecb769dc > [ 85.539240] LR is at dwc3_gadget_giveback+0x44/0x50 [dwc3] what's in dwc3_gadget_giveback + 0x44? GDB can tell you that. > dwc3 trace dump is below > [...] > irq/170-dwc3-1240 [000] d... 85.450567: dwc3_gadget_giveback: : req d= 4301893 length 0/0 zsI =3D=3D> 0 What the hell??? Where's the endpoint name? =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEElLzh7wn96CXwjh2IzL64meEamQYFAl24L6oACgkQzL64meEa mQZ/vA//ZvYSmrNWm0cO2qK/ZQ4ghL8UBKseXPArwEGLj90QZo6mV5fOWK9MDbM7 NFy4KEdBXdr60k8G44s7zNBPerOPW4jjcwKCI6msbSBm3VlSw09iaYCCBG3ig4Kn HicnPfK9b2pIPQTx6PbHuibbW8ClbrfZAm0F6G5HOS4Kik+3yyj3HyrOrm7N0OuK mKbkpDq9NGvOHInIpvyYWLEE09vV17wlTSeLCj4177dQz+1BmY9gIiymFuguUwVi bjDCoahQjFY+0uQOI/OK2YD64JR7yONyRqPKFqtMwMw5QeADEixDt/Si5Xm9jFms bJMLKYSPgrEQt9vfr2C8EIU3/1pVbfuvab283V/EwZEshVEbAdP2w9n1xaNppu9a o8tKlykN0ZqPkDSQ8q9W8vUXbwm40eGGstYyQsVa4ad3SfTs9FIyfCjRWmubXVw0 5MX6EgEcu2a6Alq5NyKWni69yjwwAfK0DTlItqcFrfdvt2p0BwJajPw48OC5A3qJ QtJuV9OlCgen476TNNHWdFxHRtPWGJRkxYPQUNAWEjqa7CVv4p0DaL80g74o+QFt KSLYbYuwoCls1P1b1DTKrRsA0BN1KPOcFZuu3D5O6GsLc9+AXLC7U96fKqg98lOC OgkOL79laJxK55gZQxV4TsejJLpJQKzq//Fr4lFKJS4jZ72Z2Yw= =QIIu -----END PGP SIGNATURE----- --=-=-=--